:root{--primary:#1a6b3c;--primary-dark:#0f4a28;--primary-light:#2d9e5a;--accent:#f0a500;--accent-dark:#c88200;--bg-dark:#0d1117;--bg-card:#161b22;--bg-section:#0f1923;--text-primary:#e8eaf0;--text-secondary:#9ba3af;--text-muted:#6b7280;--border:#2d3748;--red:#e53e3e;--gradient-main:linear-gradient(135deg,#1a6b3c 0%,#0f4a28 50%,#0d1117 100%);--gradient-card:linear-gradient(180deg,#161b22 0%,#0d1117 100%);--shadow:0 4px 20px rgba(0,0,0,0.4);--shadow-hover:0 8px 30px rgba(26,107,60,0.3);--radius:12px;--radius-sm:8px;--transition:all 0.3s ease}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:"PingFang SC","Microsoft YaHei","Helvetica 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